Immunology — Flashcards

Flashcard 81: An immune ring (Wesseley) may be seen around the fungal  ulcer due to deposition of the _____

Answer: immune complexes

Flashcard 82: Which T-cells are important defense mechanisms against microorganisms like Listeria monocytogenes and Mycobacterium tuberculosis?_____

Answer: NK-T cells

Flashcard 83: What is the only heat labile antibody?_____

Answer: IgE

Flashcard 84: Polysaccharides and lipids stimulate the secretion of mainly _____ antibody.

Answer: IgM

Flashcard 85: Which interleukins activate basophils?_____

Answer: IL-3 and IL-5

Flashcard 86: Who established the concept of humoral immunity?_____

Answer: Paul Ehrlich

Flashcard 87: Which antibody is mainly responsible for agglutination?_____

Answer: IgM

Flashcard 88: _____ immunity occurs when transfer factor is given.

Answer: Adoptive

Flashcard 89: Which antibodies serve as recognition receptors for antigens on naive B cells?

Answer: IgM and IgD

Extra: Surface IgM and IgD serve as the B-cell receptors (BCR) on naive B cells for antigen recognition.

Flashcard 90: The part of the antigen associated with MHC molecule on the antigen-presenting cell is called as _____

Answer: aggretope